#数学的4大基本运算

var1=3
var2=2
print("数学的四大基本运算【%s】和【%s】\n"%(var1,var2))

print("\n加法【+】")
addResult=var1+var2
print(addResult)

print("\n减法【-】")
subResult=var1-var2
print(subResult)

print("\n乘法【*】")
mulResult=var1*var2
print(mulResult)

print("\n除法【/】")
divResult=var1/var2
print(divResult)

print("\n指数【**】")
indexResult=var1**var2
print(indexResult)

print("\n余数【%】")
remResult=var1%var2
print(remResult)

print("\n【%s】自增【%s】【+=】"%(var1,var2))
var1+=var2
print(var1)

print("\n【%s】自减【%s】【-=】"%(var1,var2))
var1-=var2
print(var1)


print("\n科学计数法【e】说明（6.656565656465656e+48表示：6.656565656465656乘以10的48次方【即是以10为底，向右移动48位】）")
a=999999999999999999999999999999999999999999999999.362589
b=5656565656465656565466666666666666666666666666666.637411
c=a+b
print(c)

a1=4.56e-5
print("科学计数法数值【%s】得到的常规结果为【%f】"%(a1,a1))